include/Geant4/G4ImportanceAlgorithm.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
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0024 // ********************************************************************
0025 //
0026 // G4ImportanceAlgorithm
0027 //
0028 // Class description:
0029 //
0030 // An implementation of a G4VImportanceAlgorithm (see description in
0031 // G4VImportanceAlgorithm header).
0032
0033 // Author: Michael Dressel (CERN), 2002
0034 // ----------------------------------------------------------------------
0035 #ifndef G4IMPORTANCEALGORITHM_HH
0036 #define G4IMPORTANCEALGORITHM_HH 1
0037
0038 #include "G4Threading.hh"
0039 #include "G4VImportanceAlgorithm.hh"
0040
0041 class G4ImportanceAlgorithm : public G4VImportanceAlgorithm
0042 {
0043   public:  // with description
0044
0045     G4ImportanceAlgorithm();
0046       // simple construction
0047
0048     ~G4ImportanceAlgorithm() override;
0049       // repeate warning if triggered
0050
0051     G4Nsplit_Weight Calculate(G4double ipre,
0052                                       G4double ipost,
0053                                       G4double init_w) const override;
0054       // calculate the number of tracks and their weight according to the
0055       // pre and post importance value and the weight of the mother track
0056
0057   private:
0058
0059     void Error(const G4String& m) const;
0060     void Warning(const G4String& m) const;
0061
0062   private:
0063
0064     mutable G4bool fWarned = false;
0065 };
0066
0067 #endif